finally.py

来自「《简明 Python 教程》为 "A Byte of Python" 的唯一指定」· Python 代码 · 共 18 行

#!/usr/bin/env python
# Filename: finally.py

import time

try:
	f=file('poem.txt')
	while True: # our usual file-reading idiom
		line=f.readline()
		if len(line)==0:
			break
		time.sleep(2)
		print line,
finally:
	f.close()
	print 'Cleaning up...closed the file'